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Finding the Fourth Proportional to 404,630.45, 558,390.06 and 223,342.41

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Solution

The fourth proportional to 404,630.45, 558,390.06 and 223,342.41 is: 308,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,630.45 : 558,390.06 = 223,342.41 : x
  2. Step 2: Convert to fraction form
    404,630.45/558,390.06 = 223,342.41/x
  3. Step 3: Cross multiply
    404,630.45x = 558,390.06 × 223,342.41
  4. Step 4: Simplify right side
    404,630.45x = 124,712,181,720.45
  5. Step 5: Solve for x
    x = 124,712,181,720.45/404,630.45
  6. Step 6: Final answer
    x = 308,212.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.